From fragrant flower fields to historic perfume workshops, the new Grasse guide reveals the people and places behind France’s most famous fragrance-making region.The Louis Vuitton Grasse City Guide, with illustrations by artist Kirsten Sims.Credit: Louis VuittonBefore Grasse became the world’s perfume capital, this hill town above Cannes was known for leather gloves—and their lingering odor of tanned hides. In the 16th century, glove makers bega…